#2C31B7#2C31B7

#2C31B7 is a dark, highly saturated blue. Relative luminance 0.062; OKLCH L 41.3% C 0.204 H 271.6°. Best body text is #FFFFFF at 9.42:1 contrast (WCAG AA passes).

Color values

HEX	#2C31B7
RGB	rgb(44, 49, 183)
HSL	hsl(238, 61%, 45%)
HSV	hsv(238, 76%, 72%)
CMYK	cmyk(76%, 73.2%, 0%, 28.2%)
CIE-LAB	lab(29.79, 43.93, -70.49)
CIE-LCH	lch(29.79, 83.06, 301.93°)
OKLab	oklab(41.32% 0.0056 -0.204)
OKLCH	oklch(41.32% 0.204 271.6)
XYZ	xyz(10.6814, 6.1498, 45.4147)
Luminance	0.0615 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C31B7 #B7B22C

analogous

#2C76B7 #2C31B7 #6D2CB7

triadic

#2C31B7 #B72C31 #31B72C

tetradic

#2C31B7 #B72C76 #B7B22C #2CB76D

square

#2C31B7 #B72C76 #B7B22C #2CB76D

split-complementary

#2C31B7 #B76D2C #76B72C

monochromatic

#141754 #202486 #2C31B7 #4C51D4 #7E81E0

Accessibility & contrast

On white

9.42

#2C31B7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#2C31B7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C31B7

9.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C31B7	#FFFFFF	#000000	##FFFFFF
##2C31B7	1.00	9.42	2.23	9.42
#FFFFFF	9.42	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DBB

Deuteranopia (green-blind)

#003FB5

Tritanopia (blue-blind)

#005871

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #2c31b7;
/* rgb */ color: rgb(44, 49, 183);
/* oklch */ color: oklch(41.3% 0.204 271.6);

Tailwind

colors: {
  custom: {
    50: '#7c6ace',
    500: '#2c31b7',
    950: '#000000',
  },
}

SCSS

$custom: #2c31b7;
$custom-light: #7c6ace;
$custom-dark: #000000;

JSON

{
  "hex": "#2c31b7",
  "rgb": {
    "r": 44,
    "g": 49,
    "b": 183
  },
  "hsl": {
    "h": 237.842,
    "s": 61.233,
    "l": 44.51
  },
  "oklch": {
    "l": 0.41318,
    "c": 0.20413,
    "h": 271.6
  },
  "luminance": 0.06151
}

Semantic roles & 50–950 ramp

primary

#2C31B7

secondary

#C8C576

accent

#DF43E4

background

#F8F6FC

surface

#EFEBF9

border

#CAC6D2

text

#0B0614

muted

#7C7A82

Preview Lab

Preview with #2C31B7

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →